PHP Functions Essential Reference

preg_split

array preg_split(string pattern, string subject, [int limit], [int flags]) 

pattern	Regex pattern by which to split
subject	Input string to split
limit	Limits the number of results
flags	Flags controlling the split process

Splits the subject string along the boundaries defined by the specified regular expression pattern.

Returns:

Array containing the results of splitting

Description:

When it’s necessary to split a string with a dynamic expression rather than a fixed one, this function comes to the rescue. The basic underlying idea is the same as preg_match_all() except that, instead of returning matched pieces of the subject string, it returns an array of pieces that didn’t match the specified pattern .

The optional parameter ...